Remote control



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INVENTOR. WEBER x, J W- N HERMAN ATTORNEYS Sept. 23, 1941. H. WEBER REMOTE CONTROL Filed April 13, 1940 BY 6M1 EMW Patented Sept. 23, 1941 v f UNITED STATES, P NT orrIcE REMOTE CONTROL Herman Weber; Kalamazoo, Micln, assignor to Shakespeare Products Company, Kalamazoo, Mich, a corporation of Michigan Application April 13, 1940, Serial No. 329,451

9 Claims, 01. 74-502,)

The main objects of this invention are: controls generally and have many applications First, to provide an improved remote control such jfor example as throttle controls, controls device which is positive in its locking or locked of moving parts in airplanes, and various other position but readily and simply released. adaptations. Y 5

Second, to provide a device of the character -s The, embodiment of my invention illustrated described which is well adapted for heavy duty, in Figs, 1 and 2 comprises a tubular support such for example, as a brake control for motor 'member I having a threaded portion 2 receiving vehicles, airplanes, and the like. the coacting' clamping nuts 3 and 4 by means Third, to provide a device of the character of which the support is mounted upon an instrudescribed having these advantages which maylomentboard or panel 5 or otherfixed support.

be manipulated with comparatively little effort. A spring ilock washer-8 is preferably provided.

Fourth, to provide a device having these.ad-

Theicontrol rod or plunger 9-is reciprocably vantages which is very simple and inexpensive and rotatably. mounted inthe support and is in its parts and at the same time strong and provided witha handpiece or grip Ill. This condurable and readily installed, l'c'trol rod is secured to the transmission rod or Objects relating to details and economies of wire II which in an ordinary embodiment is the invention will appear from the description provided with a sheath l2, the sheath being to follow. The invention is defined and pointed secured to the endof the support by the coupling out in the claims. 4 means 13, the connecting or transmission rod Preferred embodiments of the invention are il- 20 i! which is connected to the object to be conlustrated in the accompanying drawing, in which; trolled directly or through suitable instrumen- Fig. 1 is a fragmentary viewinside elevation talities being slidable in the sheath. of a control device embodying the features of The control rod 9 is provided with a plurality my invention, portions of the support member of ratchet teeth i4 facing inwardly or rearwardly being shown in longitudinal section. so that an outward pull on the control member Fig. 2 is a fragmentary detail view in section permits the pawl detent l5 to ratchet over the on line 2--2 of Fig. 1, teeth as shown in Fig. 2. The ratchet teeth Fig. 3 is a fragmentary view partially in longiare formed within the circumference of the contudinal section on line 3-3 of Fig. 4 of amodi trol rod so that a rotative movement of the fied form or embodiment of my invention. control rod will swing the ratchet teeth out of Fig. 4 is a transverse sectionon line 44 of detent engaging position and permit free return Fig. 3. movement of the control rod.

Fig. 5 is a transverse section on line 5-5 of The detent is carried by the spring pawl arm Fig 3, l6 extending from one end of the coil I! which Fig. 6 is a fragmentary view in side elevation embraces the support, the diameter of the coil of another form or embodiment of my invention being such that it is in clutching engagement in which the control rod may be locked against with the support. This o d s an effective a movement in either direction. I choring means without resorting to screws or Fig. '7 is an enlarged fragmentary view',i11usthe like.

trating structural features of the control rod. 'The SUDD has a s e se 810i 3 therein Fig. 8 is a transverse sectionon line 88 of in which the detent lies, the detent engaging Fig, 6, this slot at all timesso that it also serves in My present invention relates to a remote conanchoring the ratchet pawl. This provides a trol device of the general type illustrated in very simpleand economical assembly and at the my Patent No. 2,101,160 issued December 7, 1937, same time one which is highly effective.

the present device being particularly devised for I The embodiment of my invention shown in heavy duty such as the manual control of park- Figs. 1 and 2' is a desirable one on account of ing or emergency brakes of automobiles, airits simplicity. V

planes, and the like. In the preferred embodi- In the embodiment of my invention shown in ments it includes means for enabling the brake-5 Figs. 3, 4 and 5, the control rod 9 is provided to. be readily and quickly operated to apply the with a longitudinal slot 19 receiving the key 20 same and easily released even when the operof a stop disk 2| which is held between the ating connections are under considerable strain nuts 22 and 23, the nut 22 being recessed to or tension. It should be borne in mind, however, receive this stop disk. Astop pin 24 connected that my improvements are adapted for remote 55 by the nut 22 coacts with spaced stops 25 formed these slots opening rounded slots 32 terminating in the flattened suron the s'top'disk. This limits the rotative movement of the control rod while permitting its axial movement or adjustment. In this embodiment, the ratchet detent 26 has two arms 2l-- that is, an arm at each end, each arm terminating in a coil V28 embracing the control rod coils and the engagement of the detent with the transverse slot l8. The support effectively anchors the ratchet pawlor detent. I I

In the embodimentshown in Figs. 6, '7 and s,

' the ratchet pawl is the same as that described The control rod 29 is provided with a:

for Fig. 1. series of non-ratcheting teeth 39 properly spaced to receive the detent [5. These are formed by forming transverse slots 3-! in the control: rod, into shallower a'rcuate faces 33 so that while the recesses or;slots 32 serve to hold the control rod in its adjusted position the detent maybe readily released thereever, of'these; shallower recesses 31 is that they facilitate the positioning of the rod so that itmay bereadily rotated to bring: the detent into lockthrough the wall thereof, a manually actuable control rod reciprocable and rotatable in said support and provided with a series of holding V of said control rod, said support and control rod -,from'that is,. the control rod may be .freely moved longitudinally when the rod is rotatively adiusted to bring the slots 32 into coacting. relation with the detent. A main advantage, howteeth lying within its circumference, and a spring ratchet pawl formed of a single piece of wire stock and having a coil portion surrounding and in supporting engagement with said support, one end of the coil terminating in an arm having a laterally turned detent disposed in said slot in said support for coacting engagement with said ratchet teeth of said control rod, the pawl being disengaged from said teeth by rotative movement being provided with coactingstops limiting the rotating movement of said control rod.- 7 r 4;. In a c'ontrol mechanism, the combination of a tubular support having a transverse slot throughthe wall thereof, a manually actuable control rod reciprocable and rotatable in said support and provided with a series of holding teeth, and a spring ratchet pawl formed of a single piece of Wire'stock and having a coil portion surrounding and insupporting engagement with said support, one end of the coil terminating in in said slotin said support for coacting engagement with said ratchetteeth of; said control rod.

, -l position'with the holding teeth 30,. This provides means. for positively locking the rod against movement in either direction but it is easily freed from-the locking,meansfor'adjustment. I have illustrated and described embodiments iof my invention which I consider. very desirable and practical. I have not attempted to illustrate ordescribe certain other embodiments or. adapta- 1 tions as it-is believed that these disclosures will i enable those Skilled in the art to embody or adapt my improvements as may be desired. Having thus described my invention, What I Lela 1m {as new and desire, to secure by Letters Pat- 1. In a control dev ice,.-the combination of a tubular support provided with means formounting. onan instrument panel or the like and. having a transverse slot through the wall thereof at the rear of! said mounting means, a controlrod provided with handpiece and mounted in said support for longitudinal and rotatable adjustment therein and having a. plurality of ratchet teeth lying within its circumference, and a spring ratchet pawl formed of. a single-piece of wire stock and having a coil portion. surrounding and in supporting engagement with said support, one end-pf the coil; terminating. in. an arm having a glateral-lyturned detent disposed in said slot in said su'pport for coacting engagement with said ratchetteeth of. said. control rod, the detent being disengaged from saidteth by rotative movement said ratchet teeth of said control rod, the detent being; disengageable from said teeth by rotative movement of said co-ntrolfrod;

3. Ina control mechanismpthe.combination of tubular, support having "a transverse slot an arm having a laterally turned detent disposed 5. In a controlmechanism, the combination of "a tubular supporthaving a transverse slot 30' a vi'ded with ahan dpiece and: 'reciprocableand rotatable in saidsupport. and provided with a' through the wall. thereof, a control rod proseries of axially spaced holding. teeth lying within its Circumference and a. series of detent recesses laterally aligned with but in angularly spaced 'relation to the spacesbetween saidholding teeth,

and a spring. ratchet pawl member of wire stock including a coil body portion. encircling and supported by said support and having a laterally turned detent disposed in said slot in said support for coacting" engagement with said teeth of said control red, the detentbeing disengaged from said teeth by rotative. movement of said control rod to bring said detent. recesses into operative relation to the detent.

6. In a control mechanism, the combination of .a tubular support having a transverse slot through the wall thereof, a'control rod provided withahandpiec'e-and reciprocable and rotatable in said support and provided with a holding recess lying within itscircum ference, and a spring ratchet pawl member of wire stock including a coil portion surrounding ,and in supporting relation to said support and'h'aving a laterally turned detent disposed in said slot in said support for coacting engagement with said holding recess on said control rod.

'1. Ina control of the type described for actu- "ating an instrumentality, a control rod operativelyfconnected. at. one end to said instrumentality and adapted to. be rotatably and axially actu- V V ated from the other end, a hollow tubular member telescopingly and rotatably receiving said rod and adapted to besecured to a control panel, said rod having a plurality of keeperelements spaced axially thereof, anda one piece flexible. coiled detent member ,of' wirelstock surrounding and secuned externally to said tubular member and having. a portion. resilientlyengageable with said rod to abut theelements thereon and positively lock the rod in an axial direction, said tubular member having an. opening therein" admitting said portion: to the interior thereof for engagement with said keeper elements, and 'said" rod being rotatable to angularlyfree said elements from engagement by said portion for axial shifting of the rod.

8. In a control of the type described for actuating an instrumentality, a control rod operatively connected at one end to said instrumentality and adapted to be rotatably and axially actuated from the other end, a hollow tubular member telescopingly and rotatably receiving said plunger and adapted to be secured to a control panel, said rod having a plurality of keeper elements spaced'axially thereof, and a one piece flexible detent member of wire stock having a coiled annular portion concentric with and secured to said tubular member and having a portion resiliently engageable with said rod to abut the elements thereon and positively lock the rod in an axial direction, said rod being rotatable to angularly free said elements from engagement by said last named portion for axial shifting of the rod.

9. In a control of the type described for actuating an instrumentality, a control rod operatively connected at one end to said instrumentality and adapted to be rotatably and axially actuated from the other end, a tubular support telescopingly and rotatably receiving said rod and adapted to be secured to a control panel, said rod having a plurality of angul-arly aligned keeper elements spaced axially thereof, a spring detent secured externally to said support having an integral portion resiliently engageable with said rod to abut said elements and positively lock the rod in an axial direction, said support having an opening therein receiving said portion for engagement with said rod and said rod being rotatable to angularly free said elements from engagement by said portion, a radially extending pin in fixed relation to said support, and an annular element secured to said rod for rotation therewith, said element having an abutment engageable with said pin upon rotation of the element to determine the angular position of the rod.

HERMAN WEBER. 

